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The Littelfuse Inc. RGEF400 is a polymeric PTC resettable fuse from the RGEF series, designed for reliable overcurrent protection in electronic circuits. This device offers a hold current (IH) of 4.0A and a trip current (IT) of 6.8A, ensuring protection against excessive current flow.
With a maximum continuous voltage rating (VMAX) of 16 VDC and a maximum fault current (IMAX) of 100 ADC, the RGEF400 is suitable for a variety of applications. The device has a low minimum resistance (RMIN) of 0.021 Ω and a maximum resistance post trip (R1MAX) of 0.06 Ω. Its power dissipation (PD) in the tripped state is 2.4W.
The RGEF400 features a radial leaded package with a lead spacing of 5.05mm and a lead size of 0.520/20. Its dimensions are 8.40mm in length, 2.50mm in width, and 12.80mm in height. The operating temperature range is -40°C to 85°C.
This resettable fuse is RoHS compliant and lead-free, making it suitable for modern electronic assemblies. Applications include satellite video receivers, industrial controls, computer motherboards, and battery packs.
The hold current (IH) for the RGEF400 is 4.0 A.
The maximum continuous voltage (VMAX) for the RGEF400 is 16 VDC.
The trip current (IT) for the RGEF400 is 6.8 A.
The maximum resistance post trip (R1MAX) for the RGEF400 is 0.06 Ω.
The operating temperature range is -40°C to 85°C.
The RGEF400 comes in a Radial, Disc package with Through Hole mounting.